Top Definition
A person who displays a marked lack of knowledge when using Twitter.
"OMG, Twitter won't let me post my critical essay on The Love Song of J. Alfred Prufrock."

"Dude! You can only post 140 characters at a time. Are you fucking twilliterate?"
by FADviral September 21, 2009
1 more definition
The absence knowledge of how to use the social networking site Twitter, whether by choice or ignorance.
Dong: Hit me up on twitter bro.

Wang: Can't, I'm twilliterate.
by -MagiC-NinjA- January 12, 2012

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